115-19-5

115-19-5 structure

Name: 3-Methyl butynol
Chemical Name: 2-Methyl-3-butyn-2-ol
CAS Number: 115-19-5
Molecular Formula: C₅H₈O
Molecular Weight: 84.116
Catalog: Organic raw materials Alcohols, phenols, phenolic compounds and derivatives Halogenated, sulfonated, nitrated or nitrosated derivatives of alcohols
Create Date: 2018-06-05 08:00:00
Modify Date: 2026-07-06 18:40:20

Name	2-Methyl-3-butyn-2-ol
Synonyms	2-METHYL-3-BUTYNE-L 3-METHYL-1-BUTYN-3-OL Ethynyldimethylcbinol 3-Methyl butyn-3-ol 2-Methyl-3-Butyne-2-Ol Methylbutylenol alpha,alpha-Dimethylpropgyl alcohol 1,1-Dimethyl-2-propynol 2-METHYL-3-BUTYN-2-OL, 2-METHYL-3-BUTYN-2-OL, 2-METHYL-3-BUTYN-2-OL Iso-t-pentinol 2-METHYL-3-BUTYN-2-OL 2-Hydroxy-2-methyl-3-butyne MFCD00004467 3-Methyl-butin-ol Dimethylethynylmethanol 2,2-Dimethylpropgyl alcohol 3-Methyl-but-1-yn-1-ol 2-Methyl-3-butyn-2-ol, 1LT 1,1-Dimethylpropynol Tertiy acetylenic alcohol 2-Methylbutynol 2-Methyl-3-butyn-2-ol> Methyl-3-buty DIMETHYL ETHYNYL CBINOL AB-32 Methyl butynol EINECS 204-070-5 2-Methyl-β-ethynylethanol Dimethylacetylenecbinol 3-methyl butynol 3-Methyl-3-hydroxy-1-butyne 2-Methylbutyn-3-ol-2 2-Methyl-3-butyn-2-ol (MB) 2-Methyl-3-butyne-ol 1-Butyn-3-ol, 3-methyl 2-Methyl-3-butyn-2-ol, ML 2-methyl-2-hydroxy-3-butyne Dimethylacetylenylcbinol 3-Butyn-2-ol,2-methyl 3-Methyl-1-butyn-3-ol 2-methyl-3-butyn-ol 1,1-Dimethylpropgyl alcohol Cbavane 3-HYDROXY-3-METHYL-1-BUTYNE 2-METHYL-3-BUTIN-2-OL 2-methylbut-3-yn-2-ol 2，2-Dimethylethynyl cbinol 3-methyl-1-butyn-3-o 2-Methyl-2-butynol Methyl butyl alkynol 3-Methyl-1-butyn-3-ol (=2-Methyl-3-butyn-2-ol) alpha,alpha-dimethylpropgylalcohol 3-METHYL-1-BUTINE-3-OL 2-methylbut-3-in-2-ol 1,1-dimethylpropgylalcohol

Density	0.9±0.1 g/cm3
Boiling Point	104.2±8.0 °C at 760 mmHg
Melting Point	3 °C
Molecular Formula	C₅H₈O
Molecular Weight	84.116
Flash Point	25.0±0.0 °C
Exact Mass	84.057518
PSA	20.23000
LogP	0.32
Vapour Pressure	17.2±0.4 mmHg at 25°C
Index of Refraction	1.444
Stability	Stable. Flammable. Incompatible with strong oxidizing agents.
Water Solubility	miscible

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 115,230,1955

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - ataxia Lungs, Thorax, or Respiration - other changes

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 31(4),55,1987

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - ataxia Lungs, Thorax, or Respiration - other changes

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 31(4),55,1987

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold

REFERENCE :: YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 76,181,1956 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1058 No. of Facilities: 67 (estimated) No. of Industries: 2 No. of Occupations: 5 No. of Employees: 3234 (estimated) No. of Female Employees: 2672 (estimated)